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Anatomy > Muscle compartments of the lower limb > Flashcards

Muscle compartments of the lower limb Flashcards

1
Q

What muscle compartments are innervated by the tibial nerve?

A
  1. Posterior thigh
  2. Posterior leg (superficial)
  3. Posterior leg (deep)
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2
Q

Which compartment is innervated by the superficial peroneal nerve?

A

The lateral leg

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3
Q

Which muscle compartment has the general action of ankle eversion?

A

Lateral leg

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4
Q

Which compartment does the obturator nerve supply?

A

the medial thigh compartment

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5
Q

What are the 3 muscle compartments that can be seen anteriorly?

A
  1. Anterior thigh compartment
  2. Medial thigh compartment
  3. Anterior leg compartment
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6
Q

What muscle compartment is this?

A

the superior gluteal

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7
Q

Which nerve supplies the inferior gluteal compartment?

A

the inferior gluteal nerve

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8
Q

What muscle compartment is this?

A

The posterior leg (deep)

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9
Q

What is the main action of muscles in the posterior leg compartment (superficial)

A

flexion of the ankle

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10
Q

Which 6 muscle compartments are visible from the posterior aspect of the lower limb?

A
  1. superior gluteal
  2. inferior gluteal
  3. posterior thigh
  4. posterior leg - superficial
  5. posterior leg - deep
  6. lateral leg
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11
Q

Which nerve supplies the anterior leg compartment?

A

The deep peroneal nerve

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12
Q

What muscle compartment is this?

A

The posterior thigh

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13
Q

Which muscle compartment has the common muscle actions of ankle extension and toe extension?

A

The anterior leg compartment

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14
Q

What muscle compartment is this?

A

The lateral leg

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15
Q

What is the general action of the muscles in the medial thigh compartment?

A

adduction of the hip

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16
Q

Which muscle compartment is this?

A

The medial thigh

17
Q

What 5 muscles make up the anterior compartment of the thigh?

A
  1. Sartorius
  2. Rectus femoris
  3. Vastus medialis
  4. Vastus lateralis
  5. Vastus intermedius
18
Q

Which nerve supplies every muscle in the anterior compartment of the thigh?

A

The femoral nerve

19
Q

Which of the 6 muscles in the anterior compartment of the thigh does NOT extend the knee?

A

The sartorius

20
Q

Which muscle compartment is this?

A

The anterior leg

21
Q

What muscles in the anterior compartment of the thigh flex the hip? (2)

A
  1. Sartorius
  2. Rectus femoris
22
Q

What is the general action of the muscles in the inferior gluteal compartment?

A

extension of the hip

23
Q

What are the 3 actions of the sartorius muscle?

A
  1. flexion of the hip
  2. lateral rotation of the hip
  3. flexion of the knee
24
Q

True or false?

The posterior thigh compartment is in charge of flexion of the hip and extension of the knee

A

False

The posterior thigh is in charge of extension of the hip and flexion of the knee

The anterior thigh is flexion of the hip and extension of the knee

25
Q

Which muscle compartment flexes the toes and flexes the ankle

A

Posterior leg (deep)

26
Q

What is significant about muscle compartments?

A
  • muscles within these groups often cross the same joints in the same way
  • so will have the same actions
  • they tend to all receive the same blood and nerve supply
27
Q

What muscle compartment is this?

A

The posterior leg - superficial

28
Q

Generally speaking, the muscles in the anterior thigh are…

A

Knee extensors and hip flexors

29
Q

Asides from extending the knee, what other function does the vastus medialis in the anterior thigh compartment have?

A

medial deviation of the kneecap

30
Q

What muscle compartment is this?

A

The inferior gluteal

31
Q

What is the general action of the superior gluteal compartment?

A

abduction of hip

32
Q

What muscle compartment does the superior gluteal nerve innervate?

A

the superior gluteal compartment

33
Q

Which muscle compartment is this?

A

The anterior thigh

Anatomy (6 decks)

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